[libsigrok.git] / hardware / link-mso19 / api.c

/*
 * This file is part of the sigrok project.
 *
 * Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "protocol.h"

#define SERIALCOMM "460800/8n1" //Default communication params
#define SERIALCONN "/dev/ttyUSB0" //Default communication params

static const int hwcaps[] = {
	SR_HWCAP_LOGIC_ANALYZER,
	SR_HWCAP_SAMPLERATE,
//	SR_HWCAP_CAPTURE_RATIO,
	SR_HWCAP_LIMIT_SAMPLES,
//	SR_HWCAP_RLE,
	0,
};

/*
 * Probes are numbered 0 to 7.
 *
 * See also: http://www.linkinstruments.com/images/mso19_1113.gif
 */
SR_PRIV const char *mso19_probe_names[NUM_PROBES + 1] = {
	"0", "1", "2", "3", "4", "5", "6", "7", NULL
};

/*supported samplerates */
static const struct sr_samplerates samplerates = {
	SR_HZ(100),
	SR_HZ(200),
	SR_HZ(500),
	SR_KHZ(1),
	SR_KHZ(2),
	SR_KHZ(5),
	SR_KHZ(10),
	SR_KHZ(20),
	SR_KHZ(50),
	SR_KHZ(100),
	SR_KHZ(200),
	SR_KHZ(500),
	SR_MHZ(1),
	SR_MHZ(2),
	SR_MHZ(5),
	SR_MHZ(10),
	SR_MHZ(20),
	SR_MHZ(50),
	SR_MHZ(100),
	SR_MHZ(200),
	NULL,
};

SR_PRIV struct sr_dev_driver link_mso19_driver_info;
static struct sr_dev_driver *di = &link_mso19_driver_info;

static int hw_init(struct sr_context *sr_ctx)
{
  printf("Init driver\n");

	struct drv_context *drvc;

	if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
		sr_err("Driver context malloc failed.");
		return SR_ERR_MALLOC;
	}
	drvc->sr_ctx = sr_ctx;
	di->priv = drvc;

	return SR_OK;
}

static GSList *hw_scan(GSList *options)
{
	//struct sr_hwopt *opt;
	//struct sr_probe *probe;
	//GPollFD probefd;
	//int ret, i;
	//char buf[8];
	//struct udev *udev;
  int i;

	(void)options;
	GSList *devices = NULL;
 
	sr_info("Checking for link mso19\n");

	const char* conn = NULL;
  const char* serialcomm = NULL;
  GSList *l;
	for (l = options; l; l = l->next) {
		struct sr_hwopt* opt = l->data;
		switch (opt->hwopt) {
		case SR_HWOPT_CONN:
			conn = opt->value;
			break;
		case SR_HWOPT_SERIALCOMM:
			serialcomm = opt->value;
			break;
		}
	}
	if (!conn)
    conn = SERIALCONN;
	if (serialcomm == NULL)
		serialcomm = SERIALCOMM;

	struct udev *udev = udev_new();
	if (!udev) {
		sr_err("Failed to initialize udev.");
	}
	struct udev_enumerate *enumerate = udev_enumerate_new(udev);
	udev_enumerate_add_match_subsystem(enumerate, "usb-serial");
	udev_enumerate_scan_devices(enumerate);
	struct udev_list_entry *devs = udev_enumerate_get_list_entry(enumerate);
	struct udev_list_entry *dev_list_entry;
  for (dev_list_entry = devs; 
      dev_list_entry != NULL; 
      dev_list_entry = udev_list_entry_get_next(dev_list_entry))
  {
		const char *syspath = udev_list_entry_get_name(dev_list_entry);
		struct udev_device *dev = udev_device_new_from_syspath(udev, syspath);
		const char *sysname = udev_device_get_sysname(dev);
		struct udev_device *parent = udev_device_get_parent_with_subsystem_devtype(
        dev, "usb", "usb_device");

		if (!parent) {
			sr_err("Unable to find parent usb device for %s",
			       sysname);
			continue;
		}

		const char *idVendor = udev_device_get_sysattr_value(parent, "idVendor");
		const char *idProduct = udev_device_get_sysattr_value(parent, "idProduct");
		if (strcmp(USB_VENDOR, idVendor)
				|| strcmp(USB_PRODUCT, idProduct))
			continue;

		const char* iSerial = udev_device_get_sysattr_value(parent, "serial");
		const char* iProduct = udev_device_get_sysattr_value(parent, "product");

    char path[32];
		snprintf(path, sizeof(path), "/dev/%s", sysname);

		size_t s = strcspn(iProduct, " ");
    char product[32];
    char manufacturer[32];
		if (s > sizeof(product) ||
				strlen(iProduct) - s > sizeof(manufacturer)) {
      sr_err("Could not parse iProduct: %s.", iProduct);
			continue;
		}
		strncpy(product, iProduct, s);
		product[s] = 0;
		strcpy(manufacturer, iProduct + s);
    
    //Create the device context and set its params
    struct dev_context *devc;
    if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
      sr_err("Device context malloc failed.");
      return devices;
    }

    if (mso_parse_serial(iSerial, iProduct, devc) != SR_OK) {
      sr_err("Invalid iSerial: %s.", iSerial);
      g_free(devc);
      return devices;
    }
    
    char hwrev[32];
    sprintf(hwrev, "r%d", devc->hwrev);
    devc->ctlbase1 = 0;
    devc->protocol_trigger.spimode = 0;
    for (i = 0; i < 4; i++) {
      devc->protocol_trigger.word[i] = 0;
      devc->protocol_trigger.mask[i] = 0xff;
    }

    if (!(devc->serial = sr_serial_dev_inst_new(conn, serialcomm)))
    {
      g_free(devc);
      return devices;
    }

    struct sr_dev_inst *sdi = sr_dev_inst_new(0, SR_ST_INACTIVE,
        manufacturer, product, hwrev);

    if (!sdi) {
      sr_err("Unable to create device instance for %s",
          sysname);
      sr_dev_inst_free(sdi);
      g_free(devc);
      return devices;
    }
    
    //sdi->index = 0;
    sdi->driver = di;
    sdi->priv = devc;
    //sdi->model = "
    //sdi->version = "Testing1234";
    //struct sr_probe *probe;
    //sdi->probes = g_slist_append(sdi->probes, probe);

    printf("Add the context\n");
    //Add the driver
    struct drv_context *drvc = di->priv;
    drvc->instances = g_slist_append(drvc->instances, sdi);
    devices = g_slist_append(devices, sdi);
  }
  
  printf("Return devices\n");
	return devices;
}

static GSList *hw_dev_list(void)
{
  printf("Dev list\n");
	struct drv_context *drvc;

	drvc = di->priv;

	return drvc->instances;
}

static int hw_dev_open(struct sr_dev_inst *sdi)
{
  printf("Dev opewn\n");
	struct dev_context *devc;

	devc = sdi->priv;

	if (serial_open(devc->serial, SERIAL_RDWR) != SR_OK)
		return SR_ERR;

	sdi->status = SR_ST_ACTIVE;

	/* FIXME: discard serial buffer */
	mso_check_trigger(devc->serial, &devc->trigger_state);
	sr_dbg("Trigger state: 0x%x.", devc->trigger_state);

	int ret = mso_reset_adc(sdi);
	if (ret != SR_OK)
		return ret;

	mso_check_trigger(devc->serial, &devc->trigger_state);
	sr_dbg("Trigger state: 0x%x.", devc->trigger_state);

  //	ret = mso_reset_fsm(sdi);
  //	if (ret != SR_OK)
  //		return ret;
  //	return SR_ERR;

	return SR_OK;
}

static int hw_dev_close(struct sr_dev_inst *sdi)
{
  printf("dev close\n");
	struct dev_context *devc;

	devc = sdi->priv;

	if (devc->serial && devc->serial->fd != -1) {
		serial_close(devc->serial);
		sdi->status = SR_ST_INACTIVE;
	}

	return SR_OK;
}

static int hw_cleanup(void)
{
  printf("*Dev clearup\n");
	GSList *l;
	struct sr_dev_inst *sdi;
	struct drv_context *drvc;
	struct dev_context *devc;
	int ret = SR_OK;

	if (!(drvc = di->priv))
		return SR_OK;

	/* Properly close and free all devices. */
	for (l = drvc->instances; l; l = l->next) {
		if (!(sdi = l->data)) {
			/* Log error, but continue cleaning up the rest. */
			sr_err("%s: sdi was NULL, continuing", __func__);
			ret = SR_ERR_BUG;
			continue;
		}
		if (!(devc = sdi->priv)) {
			/* Log error, but continue cleaning up the rest. */
			sr_err("%s: sdi->priv was NULL, continuing", __func__);
			ret = SR_ERR_BUG;
			continue;
		}
		hw_dev_close(sdi);
		sr_serial_dev_inst_free(devc->serial);
		sr_dev_inst_free(sdi);
	}
	g_slist_free(drvc->instances);
	drvc->instances = NULL;

	return ret;
}

static int hw_info_get(int info_id, const void **data,
       const struct sr_dev_inst *sdi)
{
	struct dev_context *devc;

  printf("Get info\n");

	switch (info_id) {
	case SR_DI_HWCAPS:
		*data = hwcaps;
		break;
	case SR_DI_NUM_PROBES:
		*data = GINT_TO_POINTER(1);
		break;
	case SR_DI_PROBE_NAMES:
		*data = mso19_probe_names;
		break;
	case SR_DI_SAMPLERATES:
		*data = &samplerates;
		break;
	case SR_DI_TRIGGER_TYPES:
		*data = (char *)TRIGGER_TYPES;
		break;
	case SR_DI_CUR_SAMPLERATE:
		if (sdi) {
			devc = sdi->priv;
			*data = &devc->cur_rate;
		} else
			return SR_ERR;
		break;
	default:
		return SR_ERR_ARG;
	}

	return SR_OK;
}

static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
		const void *value)
{
	struct dev_context *devc;
	int ret;
	const uint64_t *tmp_u64;

  printf("Config set\n");
	devc = sdi->priv;

	if (sdi->status != SR_ST_ACTIVE)
		return SR_ERR;

	switch (hwcap) {
	case SR_HWCAP_SAMPLERATE:
		return mso_configure_rate(sdi, *(const uint64_t *) value);
		ret = SR_OK;
		break;
	case SR_HWCAP_LIMIT_SAMPLES:
		ret = SR_OK;
		break;
  case SR_HWCAP_CAPTURE_RATIO:
    ret = SR_OK;
		break;
	case SR_HWCAP_RLE:
    ret = SR_OK;
		break;
	default:
		ret = SR_ERR;
	}

	return ret;
}

static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
		void *cb_data)
{
	struct sr_datafeed_packet *packet;
	struct sr_datafeed_header *header;
	struct sr_datafeed_meta_logic meta;
	struct dev_context *devc;
	uint32_t trigger_config[4];
	uint32_t data;
	uint16_t readcount, delaycount;
	uint8_t changrp_mask;
	int num_channels;
	int i;
	int ret = SR_ERR;
  
  
  printf("Accquistion start\n");
	devc = sdi->priv;

	if (sdi->status != SR_ST_ACTIVE)
		return SR_ERR;

	//TODO if (ols_configure_probes(sdi) != SR_OK) {
	//TODO 	sr_err("Failed to configure probes.");
	//TODO 	return SR_ERR;
	//TODO }

	/*
	 * Enable/disable channel groups in the flag register according to the
	 * probe mask. Calculate this here, because num_channels is needed
	 * to limit readcount.
	 */
	//changrp_mask = 0;
	//num_channels = 0;
	//for (i = 0; i < 4; i++) {
	//	if (devc->probe_mask & (0xff << (i * 8))) {
	//		changrp_mask |= (1 << i);
	//		num_channels++;
	//	}
	//}

	/* FIXME: No need to do full reconfigure every time */
//	ret = mso_reset_fsm(sdi);
//	if (ret != SR_OK)
//		return ret;

	/* FIXME: ACDC Mode */
	devc->ctlbase1 &= 0x7f;
//	devc->ctlbase1 |= devc->acdcmode;

	ret = mso_configure_rate(sdi, devc->cur_rate);
	if (ret != SR_OK)
		return ret;

	/* set dac offset */
	ret = mso_dac_out(sdi, devc->dac_offset);
	if (ret != SR_OK)
		return ret;

	ret = mso_configure_threshold_level(sdi);
	if (ret != SR_OK)
		return ret;

	ret = mso_configure_trigger(sdi);
	if (ret != SR_OK)
		return ret;

	/* FIXME: trigger_position */


	/* END of config hardware part */

	/* with trigger */
	ret = mso_arm(sdi);
	if (ret != SR_OK)
		return ret;

	/* without trigger */
//	ret = mso_force_capture(sdi);
//	if (ret != SR_OK)
//		return ret;

	/* Start acquisition on the device. */
	mso_check_trigger(sdi, &devc->trigger_state);
	ret = mso_check_trigger(sdi, NULL);
	if (ret != SR_OK)
		return ret;

  sr_source_add(devc->serial->fd, G_IO_IN, -1, mso_receive_data, cb_data);

	if (!(packet = g_try_malloc(sizeof(struct sr_datafeed_packet)))) {
		sr_err("Datafeed packet malloc failed.");
		return SR_ERR_MALLOC;
	}

	if (!(header = g_try_malloc(sizeof(struct sr_datafeed_header)))) {
		sr_err("Datafeed header malloc failed.");
		g_free(packet);
		return SR_ERR_MALLOC;
	}

	packet->type = SR_DF_HEADER;
	packet->payload = (unsigned char *)header;
	header->feed_version = 1;
	gettimeofday(&header->starttime, NULL);
	sr_session_send(cb_data, packet);

	packet->type = SR_DF_META_LOGIC;
	packet->payload = &meta;
	meta.samplerate = devc->cur_rate;
	meta.num_probes = NUM_PROBES;
	sr_session_send(cb_data, packet);
  
	g_free(header);
	g_free(packet);

	return SR_OK;
}

/* TODO: This stops acquisition on ALL devices, ignoring dev_index. */
static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
{
  printf("Accuqstion stop\n");
	/* Avoid compiler warnings. */
	(void)cb_data;

	stop_acquisition(sdi);

	return SR_OK;
}

SR_PRIV struct sr_dev_driver link_mso19_driver_info = {
	.name = "link-mso19",
	.longname = "Link Instruments MSO-19",
	.api_version = 1,
	.init = hw_init,
	.cleanup = hw_cleanup,
	.scan = hw_scan,
	.dev_list = hw_dev_list,
	.dev_clear = hw_cleanup,
	.dev_open = hw_dev_open,
	.dev_close = hw_dev_close,
	.info_get = hw_info_get,
	.dev_config_set = hw_dev_config_set,
	.dev_acquisition_start = hw_dev_acquisition_start,
	.dev_acquisition_stop = hw_dev_acquisition_stop,
	.priv = NULL,
};
Commit	Line	Data
df92e5cf	1	/*
	2	* This file is part of the sigrok project.
	3	*
	4	* Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com>
	5	*
	6	* This program is free software: you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation, either version 3 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program. If not, see <http://www.gnu.org/licenses/>.
	18	*/
	19
	20	#include "protocol.h"
	21
	22	#define SERIALCOMM "460800/8n1" //Default communication params
	23	#define SERIALCONN "/dev/ttyUSB0" //Default communication params
	24
	25	static const int hwcaps[] = {
	26	SR_HWCAP_LOGIC_ANALYZER,
	27	SR_HWCAP_SAMPLERATE,
	28	// SR_HWCAP_CAPTURE_RATIO,
	29	SR_HWCAP_LIMIT_SAMPLES,
	30	// SR_HWCAP_RLE,
	31	0,
	32	};
	33
	34	/*
	35	* Probes are numbered 0 to 7.
	36	*
	37	* See also: http://www.linkinstruments.com/images/mso19_1113.gif
	38	*/
	39	SR_PRIV const char *mso19_probe_names[NUM_PROBES + 1] = {
	40	"0", "1", "2", "3", "4", "5", "6", "7", NULL
	41	};
	42
	43	/supported samplerates /
	44	static const struct sr_samplerates samplerates = {
	45	SR_HZ(100),
	46	SR_HZ(200),
	47	SR_HZ(500),
	48	SR_KHZ(1),
	49	SR_KHZ(2),
	50	SR_KHZ(5),
	51	SR_KHZ(10),
	52	SR_KHZ(20),
	53	SR_KHZ(50),
	54	SR_KHZ(100),
	55	SR_KHZ(200),
	56	SR_KHZ(500),
	57	SR_MHZ(1),
	58	SR_MHZ(2),
	59	SR_MHZ(5),
	60	SR_MHZ(10),
	61	SR_MHZ(20),
	62	SR_MHZ(50),
	63	SR_MHZ(100),
	64	SR_MHZ(200),
65	NULL,
66	};
67
68	SR_PRIV struct sr_dev_driver link_mso19_driver_info;
69	static struct sr_dev_driver *di = &link_mso19_driver_info;
70
71	static int hw_init(struct sr_context *sr_ctx)
72	{
73	printf("Init driver\n");
74
75	struct drv_context *drvc;
76
77	if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
78	sr_err("Driver context malloc failed.");
79	return SR_ERR_MALLOC;
80	}
81	drvc->sr_ctx = sr_ctx;
82	di->priv = drvc;
83
84	return SR_OK;
85	}
86
87	static GSList hw_scan(GSList options)
88	{
89	//struct sr_hwopt *opt;
90	//struct sr_probe *probe;
91	//GPollFD probefd;
92	//int ret, i;
93	//char buf[8];
94	//struct udev *udev;
95	int i;
96
97	(void)options;
98	GSList *devices = NULL;
99
100	sr_info("Checking for link mso19\n");
101
102	const char* conn = NULL;
103	const char* serialcomm = NULL;
104	GSList *l;
105	for (l = options; l; l = l->next) {
106	struct sr_hwopt* opt = l->data;
107	switch (opt->hwopt) {
108	case SR_HWOPT_CONN:
109	conn = opt->value;
110	break;
111	case SR_HWOPT_SERIALCOMM:
112	serialcomm = opt->value;
113	break;
114	}
115	}
116	if (!conn)
117	conn = SERIALCONN;
118	if (serialcomm == NULL)
119	serialcomm = SERIALCOMM;
120
121	struct udev *udev = udev_new();
122	if (!udev) {
123	sr_err("Failed to initialize udev.");
124	}
125	struct udev_enumerate *enumerate = udev_enumerate_new(udev);
126	udev_enumerate_add_match_subsystem(enumerate, "usb-serial");
127	udev_enumerate_scan_devices(enumerate);
128	struct udev_list_entry *devs = udev_enumerate_get_list_entry(enumerate);
129	struct udev_list_entry *dev_list_entry;
130	for (dev_list_entry = devs;
131	dev_list_entry != NULL;
132	dev_list_entry = udev_list_entry_get_next(dev_list_entry))
133	{
134	const char *syspath = udev_list_entry_get_name(dev_list_entry);
135	struct udev_device *dev = udev_device_new_from_syspath(udev, syspath);
136	const char *sysname = udev_device_get_sysname(dev);
137	struct udev_device *parent = udev_device_get_parent_with_subsystem_devtype(
138	dev, "usb", "usb_device");
139
140	if (!parent) {
141	sr_err("Unable to find parent usb device for %s",
142	sysname);
143	continue;
144	}
145
146	const char *idVendor = udev_device_get_sysattr_value(parent, "idVendor");
147	const char *idProduct = udev_device_get_sysattr_value(parent, "idProduct");
148	if (strcmp(USB_VENDOR, idVendor)
149	\|\| strcmp(USB_PRODUCT, idProduct))
150	continue;
151
152	const char* iSerial = udev_device_get_sysattr_value(parent, "serial");
153	const char* iProduct = udev_device_get_sysattr_value(parent, "product");
154
155	char path[32];
156	snprintf(path, sizeof(path), "/dev/%s", sysname);
157
158	size_t s = strcspn(iProduct, " ");
159	char product[32];
160	char manufacturer[32];
161	if (s > sizeof(product) \|\|
162	strlen(iProduct) - s > sizeof(manufacturer)) {
163	sr_err("Could not parse iProduct: %s.", iProduct);
164	continue;
165	}
166	strncpy(product, iProduct, s);
167	product[s] = 0;
168	strcpy(manufacturer, iProduct + s);
169
170	//Create the device context and set its params
171	struct dev_context *devc;
172	if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
173	sr_err("Device context malloc failed.");
174	return devices;
175	}
176
177	if (mso_parse_serial(iSerial, iProduct, devc) != SR_OK) {
178	sr_err("Invalid iSerial: %s.", iSerial);
179	g_free(devc);
180	return devices;
181	}
182
183	char hwrev[32];
184	sprintf(hwrev, "r%d", devc->hwrev);
185	devc->ctlbase1 = 0;
186	devc->protocol_trigger.spimode = 0;
187	for (i = 0; i < 4; i++) {
188	devc->protocol_trigger.word[i] = 0;
189	devc->protocol_trigger.mask[i] = 0xff;
190	}
191
192	if (!(devc->serial = sr_serial_dev_inst_new(conn, serialcomm)))
193	{
194	g_free(devc);
195	return devices;
196	}
197
198	struct sr_dev_inst *sdi = sr_dev_inst_new(0, SR_ST_INACTIVE,
199	manufacturer, product, hwrev);
200
201	if (!sdi) {
202	sr_err("Unable to create device instance for %s",
203	sysname);
204	sr_dev_inst_free(sdi);
205	g_free(devc);
206	return devices;
207	}
208
209	//sdi->index = 0;
210	sdi->driver = di;
211	sdi->priv = devc;
212	//sdi->model = "
213	//sdi->version = "Testing1234";
214	//struct sr_probe *probe;
215	//sdi->probes = g_slist_append(sdi->probes, probe);
216
217	printf("Add the context\n");
218	//Add the driver
219	struct drv_context *drvc = di->priv;
220	drvc->instances = g_slist_append(drvc->instances, sdi);
221	devices = g_slist_append(devices, sdi);
222	}
223
224	printf("Return devices\n");
225	return devices;
226	}
227
228	static GSList *hw_dev_list(void)
229	{
230	printf("Dev list\n");
231	struct drv_context *drvc;
232
233	drvc = di->priv;
234
235	return drvc->instances;
236	}
237
238	static int hw_dev_open(struct sr_dev_inst *sdi)
239	{
240	printf("Dev opewn\n");
241	struct dev_context *devc;
242
243	devc = sdi->priv;
244
245	if (serial_open(devc->serial, SERIAL_RDWR) != SR_OK)
246	return SR_ERR;
247
248	sdi->status = SR_ST_ACTIVE;
249
250	/* FIXME: discard serial buffer */
251	mso_check_trigger(devc->serial, &devc->trigger_state);
252	sr_dbg("Trigger state: 0x%x.", devc->trigger_state);
253
254	int ret = mso_reset_adc(sdi);
255	if (ret != SR_OK)
256	return ret;
257
258	mso_check_trigger(devc->serial, &devc->trigger_state);
259	sr_dbg("Trigger state: 0x%x.", devc->trigger_state);
260
261	// ret = mso_reset_fsm(sdi);
262	// if (ret != SR_OK)
263	// return ret;
264	// return SR_ERR;
265
266	return SR_OK;
267	}
268
269	static int hw_dev_close(struct sr_dev_inst *sdi)
270	{
271	printf("dev close\n");
272	struct dev_context *devc;
273
274	devc = sdi->priv;
275
276	if (devc->serial && devc->serial->fd != -1) {
277	serial_close(devc->serial);
278	sdi->status = SR_ST_INACTIVE;
279	}
280
281	return SR_OK;
282	}
283
284	static int hw_cleanup(void)
285	{
286	printf("*Dev clearup\n");
287	GSList *l;
288	struct sr_dev_inst *sdi;
289	struct drv_context *drvc;
290	struct dev_context *devc;
291	int ret = SR_OK;
292
293	if (!(drvc = di->priv))
294	return SR_OK;
295
296	/* Properly close and free all devices. */
297	for (l = drvc->instances; l; l = l->next) {
298	if (!(sdi = l->data)) {
299	/* Log error, but continue cleaning up the rest. */
300	sr_err("%s: sdi was NULL, continuing", __func__);
301	ret = SR_ERR_BUG;
302	continue;
303	}
304	if (!(devc = sdi->priv)) {
305	/* Log error, but continue cleaning up the rest. */
306	sr_err("%s: sdi->priv was NULL, continuing", __func__);
307	ret = SR_ERR_BUG;
308	continue;
309	}
310	hw_dev_close(sdi);
311	sr_serial_dev_inst_free(devc->serial);
312	sr_dev_inst_free(sdi);
313	}
314	g_slist_free(drvc->instances);
315	drvc->instances = NULL;
316
317	return ret;
318	}
319
320	static int hw_info_get(int info_id, const void **data,
321	const struct sr_dev_inst *sdi)
322	{
323	struct dev_context *devc;
324
325	printf("Get info\n");
326
327	switch (info_id) {
328	case SR_DI_HWCAPS:
329	*data = hwcaps;
330	break;
331	case SR_DI_NUM_PROBES:
332	*data = GINT_TO_POINTER(1);
333	break;
334	case SR_DI_PROBE_NAMES:
335	*data = mso19_probe_names;
336	break;
337	case SR_DI_SAMPLERATES:
338	*data = &samplerates;
339	break;
340	case SR_DI_TRIGGER_TYPES:
341	data = (char )TRIGGER_TYPES;
342	break;
343	case SR_DI_CUR_SAMPLERATE:
344	if (sdi) {
345	devc = sdi->priv;
346	*data = &devc->cur_rate;
347	} else
348	return SR_ERR;
349	break;
350	default:
351	return SR_ERR_ARG;
352	}
353
354	return SR_OK;
355	}
356
357	static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
358	const void *value)
359	{
360	struct dev_context *devc;
361	int ret;
362	const uint64_t *tmp_u64;
363
364	printf("Config set\n");
365	devc = sdi->priv;
366
367	if (sdi->status != SR_ST_ACTIVE)
368	return SR_ERR;
369
370	switch (hwcap) {
371	case SR_HWCAP_SAMPLERATE:
372	return mso_configure_rate(sdi, (const uint64_t ) value);
373	ret = SR_OK;
374	break;
375	case SR_HWCAP_LIMIT_SAMPLES:
376	ret = SR_OK;
377	break;
378	case SR_HWCAP_CAPTURE_RATIO:
379	ret = SR_OK;
380	break;
381	case SR_HWCAP_RLE:
382	ret = SR_OK;
383	break;
384	default:
385	ret = SR_ERR;
386	}
387
388	return ret;
389	}
390
391	static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
392	void *cb_data)
393	{
394	struct sr_datafeed_packet *packet;
395	struct sr_datafeed_header *header;
396	struct sr_datafeed_meta_logic meta;
397	struct dev_context *devc;
398	uint32_t trigger_config[4];
399	uint32_t data;
400	uint16_t readcount, delaycount;
401	uint8_t changrp_mask;
402	int num_channels;
403	int i;
404	int ret = SR_ERR;
405
406
407	printf("Accquistion start\n");
408	devc = sdi->priv;
409
410	if (sdi->status != SR_ST_ACTIVE)
411	return SR_ERR;
412
413	//TODO if (ols_configure_probes(sdi) != SR_OK) {
414	//TODO sr_err("Failed to configure probes.");
415	//TODO return SR_ERR;
416	//TODO }
417
418	/*
419	* Enable/disable channel groups in the flag register according to the
420	* probe mask. Calculate this here, because num_channels is needed
421	* to limit readcount.
422	*/
423	//changrp_mask = 0;
424	//num_channels = 0;
425	//for (i = 0; i < 4; i++) {
426	// if (devc->probe_mask & (0xff << (i * 8))) {
427	// changrp_mask \|= (1 << i);
428	// num_channels++;
429	// }
430	//}
431
432	/* FIXME: No need to do full reconfigure every time */
433	// ret = mso_reset_fsm(sdi);
434	// if (ret != SR_OK)
435	// return ret;
436
437	/* FIXME: ACDC Mode */
438	devc->ctlbase1 &= 0x7f;
439	// devc->ctlbase1 \|= devc->acdcmode;
440
441	ret = mso_configure_rate(sdi, devc->cur_rate);
442	if (ret != SR_OK)
443	return ret;
444
445	/* set dac offset */
446	ret = mso_dac_out(sdi, devc->dac_offset);
447	if (ret != SR_OK)
448	return ret;
449
450	ret = mso_configure_threshold_level(sdi);
451	if (ret != SR_OK)
452	return ret;
453
454	ret = mso_configure_trigger(sdi);
455	if (ret != SR_OK)
456	return ret;
457
458	/* FIXME: trigger_position */
459
460
461	/* END of config hardware part */
462
463	/* with trigger */
464	ret = mso_arm(sdi);
465	if (ret != SR_OK)
466	return ret;
467
468	/* without trigger */
469	// ret = mso_force_capture(sdi);
470	// if (ret != SR_OK)
471	// return ret;
472
473	/* Start acquisition on the device. */
474	mso_check_trigger(sdi, &devc->trigger_state);
475	ret = mso_check_trigger(sdi, NULL);
476	if (ret != SR_OK)
477	return ret;
478
479	sr_source_add(devc->serial->fd, G_IO_IN, -1, mso_receive_data, cb_data);
480
481	if (!(packet = g_try_malloc(sizeof(struct sr_datafeed_packet)))) {
482	sr_err("Datafeed packet malloc failed.");
483	return SR_ERR_MALLOC;
484	}
485
486	if (!(header = g_try_malloc(sizeof(struct sr_datafeed_header)))) {
487	sr_err("Datafeed header malloc failed.");
488	g_free(packet);
489	return SR_ERR_MALLOC;
490	}
491
492	packet->type = SR_DF_HEADER;
493	packet->payload = (unsigned char *)header;
494	header->feed_version = 1;
495	gettimeofday(&header->starttime, NULL);
496	sr_session_send(cb_data, packet);
497
498	packet->type = SR_DF_META_LOGIC;
499	packet->payload = &meta;
500	meta.samplerate = devc->cur_rate;
501	meta.num_probes = NUM_PROBES;
502	sr_session_send(cb_data, packet);
503
504	g_free(header);
505	g_free(packet);
506
507	return SR_OK;
508	}
509
510	/* TODO: This stops acquisition on ALL devices, ignoring dev_index. */
511	static int hw_dev_acquisition_stop(struct sr_dev_inst sdi, void cb_data)
512	{
513	printf("Accuqstion stop\n");
514	/* Avoid compiler warnings. */
515	(void)cb_data;
516
517	stop_acquisition(sdi);
518
519	return SR_OK;
520	}
521
522	SR_PRIV struct sr_dev_driver link_mso19_driver_info = {
523	.name = "link-mso19",
524	.longname = "Link Instruments MSO-19",
525	.api_version = 1,
526	.init = hw_init,
527	.cleanup = hw_cleanup,
528	.scan = hw_scan,
529	.dev_list = hw_dev_list,
530	.dev_clear = hw_cleanup,
531	.dev_open = hw_dev_open,
532	.dev_close = hw_dev_close,
533	.info_get = hw_info_get,
534	.dev_config_set = hw_dev_config_set,
535	.dev_acquisition_start = hw_dev_acquisition_start,
536	.dev_acquisition_stop = hw_dev_acquisition_stop,
537	.priv = NULL,
538	};